Review
The ACiQ 3-ton downflow system represents Goodman's accessible entry point into high-efficiency gas furnace and air conditioning combinations. At $643, this unit undercuts comparable 97% AFUE, 13 SEER equipment by $200-300, making it an attractive option for budget-conscious contractors and homeowners. The downflow A-coil configuration suits attic or basement placement in many single-story and multi-story homes. Energy Star certification confirms the cooling side meets EPA standards, while the modulating furnace delivers the heating performance that drives savings in northern markets.
Heating performance anchors this system's value proposition. The 60,000 BTU modulating burner automatically scales between 30% and 100% output, maintaining steady indoor temperature and reducing short-cycling losses. The 97% AFUE efficiency rating is measurably better than standard 90-95% equipment and justifies the modest price premium over older technology. Cooling output reaches 36,000 BTU with 13 SEER efficiency through a reciprocating compressor and single-stage condenser. The variable-speed ECM blower maxes out at 1200 CFM, providing adequate airflow for 3-ton applications while using 40-50% less electricity than fixed-speed motors during partial-load operation.
Pros & Cons
Pros
- 97% AFUE furnace efficiency means minimal heating fuel waste, translating to $200-400 annual savings versus 90% AFUE units in cold climates
- 13 SEER cooling with Energy Star certification provides respectable AC efficiency at an unusually low price for this performance tier
- Modulating burner automatically adjusts heating output between 30% and 100% capacity, reducing temperature swings and improving comfort
- Variable speed ECM blower motor ramps airflow based on actual demand, cutting electricity costs compared to fixed-speed alternatives
- R454B refrigerant is newer, lower-GWP formula aligned with EPA phase-down standards, meaning longer equipment relevance
Cons
- Single-stage AC compressor cannot modulate capacity, so cooling efficiency drops in mild weather compared to two-stage systems
- 74 dB noise level is moderately loud for outdoor condenser operation, noticeable in quiet residential neighborhoods
- Requires plastic PVC exhaust flue venting, limiting installation flexibility in homes with existing metal chimney systems
Who Should Buy
Best For
Contractors replacing end-of-life Goodman units (GSX130362, GSX130363, GSX130365) will appreciate the direct compatibility and familiar platform. Homeowners in heating-dominant regions with moderate cooling needs seeking maximum heating efficiency will see fastest payback on the 97% AFUE advantage.
Consider Alternatives If
Skip this unit if you live in a hot climate prioritizing cooling efficiency or need ultra-quiet operation, as single-stage AC and 74 dB output are limiting factors for southern installations.
Installation
This downflow unit requires standard HVAC installation practices. Sweat-type connections accommodate 3/8 inch liquid and 7/8 inch suction lines with 3/8 inch insulation thickness. The 34.5 inch height, 17.5 inch width, and 28.75 inch depth fit standard attic or basement spaces. PVC exhaust venting is mandatory for the furnace component, limiting installations in homes with metal chimneys. Electrical demand runs 115V single-phase 60 Hz requiring a 19.1 to 30 amp breaker, typical for most residential panels.
Warranty & Reliability
ACiQ provides 10 years parts coverage with online registration, protecting against component failures through the first decade of operation. This is solid middle-ground coverage, shorter than high-end 12-15 year warranties but longer than budget 5-year minimums. Registration is required to activate full coverage, so document the serial number during installation. Labor costs and refrigerant are not covered, so budget separately for service calls.
Specifications
| SKU | ACiQ-36-EHPD-UPG |
| Brand/Manufacturer | ACiQ |
| Cooling BTU | 36,000 |
| Heating BTU | 60,000 |
| Refrigerant | R454B |
| Electrical | 115 V. 1 Phase 60 Hz |
| Warranty | 10 Years with Online Registration |
| Decibel Level (dBA) | 74 |
| Weight (in lbs) | 120.000000 |
| Feature | Spec |
| Replaces | GSX130362, GSX130363, GSX130365 |
| Energy Star | Yes |
| SEER1 (Efficiency) | 13 |
| Condenser Stages | Single Stage |
| Compressor Type | Reciprocating |
| Liquid Valve Size | 3/8" |
| Suction Valve Size | 3/4" |
| Max Breaker Size | 30 amps |
| Min. Breaker Size | 19.1 amps |
| Tonnage | 3 Ton |
| Valve Type | Sweat |
| Height | 34.5" |
| Width | 17.5" |
| Depth | 28.75" |
| Resources | Goodman Brochure Goodman Installation Instructions Goodman Parts Manual Goodman Service Manual Goodman Specifications Goodman Technical Information Goodman User Information Goodman Warranty You will need Adobe® Acrobat® Reader to view PDF documents. |
| Safety Information | PROPOSITION 65 WARNING This product and many products on our site may contain a chemical know to the state of California to cause cancer or birth defects or other reproductive harm. For more information about Proposition 65 please Click Here. |
| Configuration | Downflow/Horizontal |
| Liquid Line | 3/8" |
| Suction Line | 7/8" |
| Style | A-Coil |
| AHRI Certificate Number | 7424269 |
| Airflow Direction | Downflow/Horizontal |
| Exhaust Flue Requirement | Plastic / PVC |
| Product Features | Rebate Available |
| Furnace Efficiency / AFUE | 97% |
| Blower Motor | Variable Speed - ECM |
| Maximum CFM | 1200 |
| Burner Stages | Modulating |
| Fuel Type | Propane, Natural Gas |
| Suction Line Insulation Thickness | 3/8" |
| Length | 30 feet |
Frequently Asked Questions
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